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AMD Zen 4 Family 19h – fourth generation Zen architecture, in 5 nm process. [5] Used in Ryzen 7000 consumer processors on the new AM5 platform with DDR5 and PCIe 5.0 support. Adds support for AVX-512 instruction set. AMD Zen 5 Family 1Ah – fifth generation Zen architecture, in 4 nm process. [6] Adds support for full-width AVX-512 pipeline.
Zen is the first iteration in the Zen family of computer processor microarchitectures from AMD. It was first used with their Ryzen series of CPUs in February 2017. [ 4 ] The first Zen-based preview system was demonstrated at E3 2016 , and first substantially detailed at an event hosted a block away from the Intel Developer Forum 2016.
5.17 20 March 2022 [61] 5.17.15 [62] June 2022 [62] BPF CO-RE support [63] [64] Random number generator improvements [65] New Real-Time Linux Analysis (RTLA) tool [66] Support giving names to anonymous memory [67] Mitigate straight-line speculation attacks [68] Used in Ubuntu 22.04 LTS on newer hardware [69] Named Superb Owl [70]
The Ryzen family is an x86-64 microprocessor family from AMD, based on the Zen microarchitecture.The Ryzen lineup includes Ryzen 3, Ryzen 5, Ryzen 7, Ryzen 9, and Ryzen Threadripper with up to 96 cores.
Epyc server CPUs with Zen 4, codenamed Genoa, were officially unveiled at AMD's Accelerated Data Center Premiere Keynote on November 8, 2021, [37] and released a year later in November 2022. [38] They have up to 96 Zen 4 cores and support both PCIe 5.0 and DDR5. Furthermore, Zen 4 Cloud (a variant of Zen 4), abbreviated to Zen 4c, was also ...
Zen+ is the name for a computer processor microarchitecture by AMD.It is the successor to the first gen Zen microarchitecture, [3] and was first released in April 2018, [4] powering the second generation of Ryzen processors, known as Ryzen 2000 for mainstream desktop systems, Threadripper 2000 for high-end desktop setups and Ryzen 3000G (instead of 2000G) for accelerated processing units (APUs).
Zen 5 is the name for a CPU microarchitecture by AMD, shown on their roadmap in May 2022, [3] launched for mobile in July 2024 and for desktop in August 2024. [4] It is the successor to Zen 4 and is currently fabricated on TSMC's N4X process. [5] Zen 5 is also planned to be fabricated on the N3E process in the future. [6]
Zen 4c is a variant of Zen 4 featuring smaller Zen 4 cores with lower clock frequencies, power usage, reduced L3 cache per core, and is intended to fit a greater number of cores in a given space. Zen 4c's smaller cores and higher core counts are designed for heavily multi-threaded workloads such as cloud computing .